Search a number
-
+
306214113545 = 561242822709
BaseRepresentation
bin1000111010010111100…
…10001001000100001001
31002021101120212200222122
410131023302021010021
520004111303113140
6352401155101025
731060162006424
oct4351362110411
91067346780878
10306214113545
1110895697a82a
124b41a5a1775
1322b50383982
1410b6c5689bb
157e72edcab5
hex474bc89109

306214113545 has 4 divisors (see below), whose sum is σ = 367456936260. Its totient is φ = 244971290832.

The previous prime is 306214113523. The next prime is 306214113547. The reversal of 306214113545 is 545311412603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545311412603 = 790436898921.

It can be written as a sum of positive squares in 2 ways, for example, as 209739268729 + 96474844816 = 457973^2 + 310604^2 .

It is a cyclic number.

It is not a de Polignac number, because 306214113545 - 224 = 306197336329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (306214113547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30621411350 + ... + 30621411359.

It is an arithmetic number, because the mean of its divisors is an integer number (91864234065).

Almost surely, 2306214113545 is an apocalyptic number.

It is an amenable number.

306214113545 is a deficient number, since it is larger than the sum of its proper divisors (61242822715).

306214113545 is an equidigital number, since it uses as much as digits as its factorization.

306214113545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61242822714.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 306214113545 in words is "three hundred six billion, two hundred fourteen million, one hundred thirteen thousand, five hundred forty-five".

Divisors: 1 5 61242822709 306214113545